20165339908

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1447}}^1\times {\mathrm{3919}}^1$

素因数の和:5504

約数の個数: 48

約数和(自身を含む): 40686714880

約数和(自身を除く): 20521374972

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1447, 1778, 2894, 3556, 3919, 5788, 7838, 10129, 15676, 20258, 27433, 40516, 54866, 109732, 183769, 367538, 497713, 735076, 995426, 1286383, 1990852, 2572766, 3483991, 5145532, 5670793, 6967982, 11341586, 13935964, 22683172, 39695551, 79391102, 158782204, 720190711, 1440381422, 2880762844, 5041334977, 10082669954, 20165339908]

約数ペア:

[(1, 20165339908), (2, 10082669954), (4, 5041334977), (7, 2880762844), (14, 1440381422), (28, 720190711), (127, 158782204), (254, 79391102), (508, 39695551), (889, 22683172), (1447, 13935964), (1778, 11341586), (2894, 6967982), (3556, 5670793), (3919, 5145532), (5788, 3483991), (7838, 2572766), (10129, 1990852), (15676, 1286383), (20258, 995426), (27433, 735076), (40516, 497713), (54866, 367538), (109732, 183769)]